CompletableFuture.java

Java•マスター

C40

C++40

C#40

Dart40

Go40

Java

初級10

中級10

上級10

エキスパート5

マスター5

CompletableFuture.java

StreamCollector.java

RecordPattern.java

VirtualThread.java

MethodHandle.java

JavaScript40

Kotlin40

Objective-C40

Perl40

PHP40

Python40

R40

Ruby40

Rust40

Shell40

Swift40

TypeScript40

CompletableFuture.java

Click to focus

public CompletableFuture<List<Data>> fetchAll(List<String> urls) {↵

var futures = urls.stream()↵

.map(url -> CompletableFuture.supplyAsync(() -> fetch(url)))↵

.toList();↵

return CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]))↵

.thenApply(v -> futures.stream()↵

.map(CompletableFuture::join)↵

.toList());↵

}

0WPM•0%•0:00•0/366(0%)|Ln 1, Col 1

UTF-8•Java

関連する練習問題